<template>
    <div class="login-page">
      <!-- 导航栏部分 -->
      <van-nav-bar title="面经登录" />
  
      <!-- 一旦form表单提交了，就会触发submit，可以在submit事件中
           根据拿到的表单提交信息，发送axios请求
       -->
      <van-form @submit="onSubmit">
        <!-- 输入框组件 -->
        <!-- \w 字母数字_   \d 数字0-9 -->
        <van-field
          v-model="username"
          name="username"
          label="用户名"
          placeholder="用户名"
          :rules="[
            { required: true, message: '请填写用户名' },
            { pattern: /^\w{5,}$/, message: '用户名至少包含5个字符' }
          ]"
        />
        <van-field
          v-model="password"
          type="password"
          name="password"
          label="密码"
          placeholder="密码"
          :rules="[
            { required: true, message: '请填写密码' },
            { pattern: /^\w{6,}$/, message: '密码至少包含6个字符' }
          ]"
        />
        <div style="margin: 16px">
          <van-button block type="info" native-type="submit">提交</van-button>
        </div>
      </van-form>
      <router-link class="link" to="/register">注册账号</router-link>
    </div>
  </template>
  
  <script>
  import { login } from '@/api/user'
  import { setToken } from '@/utils/storage'
  export default {
    name: 'LoginPage',
    data () {
      return {
        username: 'zhousg',
        password: '123456'
      }
    },
    methods: {
      async onSubmit (values) {
            const { data } = await login(values)
            setToken(data.token)
            this.$toast.success('登录成功')
            this.$router.push('/')
        }
  }
}
  </script>

<style lang="less" scoped>
.link {
  color: #069;
  font-size: 12px;
  padding-right: 20px;
  float: right;
}
</style>